Samsung WA476DSHASU/A1 - Connecting the Drain Hose

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Hall Sensor Check
CheckVoltageatPin#4and#3ofCN1
TesterCheck=DC0.6V
CheckVoltageatPin#4and#2ofCN1
TesterCheck=DC0.6V
Motor Check
ResistanceatPin#1ofCN8andGND
=280㏀
ResistanceatPin#2ofCN8andGND
=280㏀
ResistanceatPin#3ofCN8andGND
=280㏀
Drain Motor_Pump Check
CheckVoltageatPin#3ofCN6andPin#9ofCN4
WhenDrainPumpoperates=AC120V
Water Valves/ Check
CheckVoltageatPin#3ofCN6andPin#1,2,3,4ofCN4
WhenValvesoperates=AC120V
Clutch-Motor
CheckVoltageatPin#3ofCN6andPin#8ofCN4
WhenValvesoperates=AC120V
Pump
CheckVoltageatPin#3ofCN6andPin#7ofCN4
WhenValvesoperates=AC120V
Heater Relay Check
CheckVoltageatPin#1ofCN8andPin#1ofRY13
WhenHeaterRelayoperates=AC120V
AC Power Check
CheckVoltageatPin#1and#3ofCN6
CheckVoltageatPin#1ofCN6andPin#2ofRY13
TesterCheck=AC120V
Door Lock Check
CheckVoltageatPin#3and#5ofCN3
WhenDoorLock=DC6.5V
PROBLEM CHECKING AND METHOD OF PCB
- IfyoupluginthepowercordandturnPowerS/Won,memorizeddataisdisplayed.
Ifanydataisnotdisplayed,checkthefollowings.
Thermistor Check
CheckResistanceatPin#9and#7ofCN8
TesterCheck=47
㏀
Water Sensor Check
CheckFrequencyatPin#11and#7ofCN8
Resetfrequency=25.6KHz
CheckFrequencyatPin#12and#7ofCN8
Resetfrequency=25.6KHz
TROUBLE SHOOTING
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
[Technical information]WA484DSHA_03051B_EN.indd 17 2012-06-25 �� 11:12:06